CN110345618B - Heat energy recovery system - Google Patents
Heat energy recovery system Download PDFInfo
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- CN110345618B CN110345618B CN201910626277.8A CN201910626277A CN110345618B CN 110345618 B CN110345618 B CN 110345618B CN 201910626277 A CN201910626277 A CN 201910626277A CN 110345618 B CN110345618 B CN 110345618B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
Abstract
The invention provides a heat energy recovery system, which belongs to the technical field of energy recovery, and comprises a fresh air system, an air return system, a dust removal heat energy recovery system and a filtering system; the fresh air system comprises a fresh air humidity tester, a fresh air temperature tester and a fresh air window air volume adjusting valve; the air return system comprises a primary air return device and a secondary air return device; the dust removal heat energy recovery system comprises a dust removal unit, a dust removal heat energy temperature tester, a dust removal heat energy humidity tester and a dust removal heat energy air quantity regulating valve; the air quantity of the fresh air system and the air quantity of the dedusting heat energy recovery system are mixed and preprocessed, the mixture is filtered by the filtering system and then enters an air conditioning room for refrigeration or heating after being subjected to surface cooling processing with the air return system, redundant heat energy is sent to the air return system through the air supply pipeline, and the heat energy is circularly sent to the air return window through the air return system, so that the purpose of heat energy recovery is achieved.
Description
Technical Field
The invention belongs to the technical field of energy recovery, and particularly relates to a heat energy recovery system.
Background
Along with the rapid development of urbanization and industrialization in China, the industrial energy consumption is high, the energy utilization rate is low, wherein the textile industry is one of the main energy consumption industries in China, the energy waste phenomenon is serious, and a reasonable and efficient energy-saving emission-reducing technology is selected to be applied to a production workshop under the conditions of energy shortage, continuous improvement of raw material cost and increasing of competition pressure, so that the energy expenditure of an enterprise is reduced, and the energy is effectively utilized.
In the textile production process, due to the difference between the production process and the production equipment, the situation of unbalanced heat of different workshops often occurs, in general, in a front textile workshop, because the number of heating equipment is small, the heat loss of dust removal exhaust air is large, the heat is directly discharged to the outside, the energy loss is caused, the temperature in the workshop in winter is easily low, the requirement of maintaining production can only be met, the filtered air in the dust removal exhaust air is cleaner, and the heat energy is higher, so that the heat energy of the dust removal exhaust air is recycled, the energy consumption of an air conditioner can be reduced, the heat energy loss is reduced, and the effects of effectively saving energy and reducing emission are achieved.
In the prior art, at present, in the design of an air conditioning system and a dust removal system of a textile mill, the phenomenon of unreasonable energy utilization and energy waste often exists, part of heat energy of the dust removal system utilized by the textile mill is reasonably utilized by an air conditioner in a textile workshop through a hot air transfer technology, but the air energy of the air conditioner is discharged without the design of an air return system, so that energy loss is easily caused, a return air system device is also designed by the textile mill, but the heat energy in the dust removal system is not recycled, and the direct loss of the heat energy in the dust removal system is caused.
The invention discloses a Chinese patent publication No. CN201510356128.6, entitled a textile field production waste collecting and processing system, which can intensively collect dust, textile fibers, waste materials and the like generated in a textile field environment, thereby effectively improving the working environment of the textile field.
Therefore, it is urgently needed to design a system device for performing air return treatment on a dust removal heat energy recovery system and heat energy in an air conditioning system, so as to achieve the purpose of heat energy recovery.
Disclosure of Invention
In order to solve the problems that heat energy is not utilized in the design of an air conditioning system and a dust removal system of the traditional textile mill and is directly discharged into the atmosphere, so that the environment pollution caused by greenhouse effect is aggravated and the energy waste is caused, the invention aims to provide a heat energy recovery system.
A heat energy recovery system comprises a fresh air system, an air return system, a dedusting heat energy recovery system, a filtering system and an air conditioning system; the five systems are communicated with each other through an air volume adjusting valve and a passage, wind energy is mixed and preheated by the fresh air system and the dedusting heat energy recovery system through adjusting the air volume of the fresh air system, the air volume of the return air system and the air volume of the dedusting heat energy recovery system, the wind energy enters the filtering system for filtering, and is mixed with the wind energy of the return air system after being filtered and enters the air conditioning system, the air conditioning system is divided into two paths after completing refrigeration or heating, one path is sent to the return air system, and the other path is sent to.
Furthermore, the new trend system includes new trend humidity tester, new trend temperature tester and new trend window air regulation valve, and the new trend system carries out humidity and temperature test analysis through new trend humidity tester, new trend temperature tester, and the new trend window air regulation valve is adjusted the amount of wind and is passed through the new trend pipeline and get into the new trend window.
Further, the air return system comprises a primary air return device and a secondary air return device.
Further, the primary air return device in the air return system comprises an air return pipeline, a primary air return air quantity regulating valve, a primary air return pipeline and a primary air return window, the air return pipeline is connected with the primary air return pipeline through an air return quantity regulating three-way valve, the primary air return pipeline is connected with the primary air return window through the primary air return air quantity regulating valve, and the primary air return heat energy is regulated through regulating the primary air return air quantity regulating valve so that the heat energy enters the primary air return window through the primary air return pipeline.
Further, secondary return air device includes secondary return air volume adjusting valve, secondary return air pipeline, secondary return air window among the return air system, and the return air pipeline passes through return air volume adjusting three-way valve and is connected with secondary return air pipeline, and secondary return air pipeline passes through secondary return air volume adjusting valve with secondary return air window and is connected, adjusts secondary return air heat energy through adjusting secondary return air volume adjusting valve and makes heat energy get into secondary return air window through secondary return air pipeline.
Further, the dust removal heat energy recovery system comprises a dust removal unit, a dust removal heat energy temperature tester, a dust removal heat energy humidity tester and a dust removal heat energy air quantity regulating valve; after the dedusting operation is carried out on the dedusting heat energy recovery system through the dedusting unit, the temperature and humidity test analysis is carried out on the dedusted heat energy through the dedusting heat energy temperature tester and the dedusting heat energy humidity tester, and the dedusted heat energy air quantity regulating valve is regulated through the dedusting wind energy pipeline to enter the dedusting heat energy air return window.
Furthermore, the fresh air window and the dust removal heat energy air return window are connected with the mixing preheating chamber, the mixing preheating chamber is provided with a preheating fan, a large amount of heat energy can be generated after the dust removal operation of the dust removal unit, the heat energy after dust removal is mixed with the fresh air system, preheating treatment is carried out in the mixing preheating chamber, the electric energy loss of the preheating fan can be effectively reduced by utilizing the heat energy generated after dust removal, and the preheating time is saved.
Further, the filtering system comprises a primary filtering system and a secondary filtering system, the primary filtering system and the secondary filtering system are connected to the outlet of the mixing preheating chamber, and the primary filtering system and the secondary filtering system are connected in series.
Further, the primary filtering system is made of a gauze and is used for performing primary filtering treatment on cotton hulls, dust and sandy soil impurities remained on the gauze through the primary filtering system after the dust-containing gas passes through the fresh air window, the primary air return window and the dust removal heat energy air return window; the secondary filtering system is a bag filter or a dry-type electrostatic filter which takes non-woven fabrics as filtering materials and is used for carrying out secondary filtering treatment on the impurities which are not completely filtered after the filtering treatment of the primary filtering system.
Furthermore, the heat energy generated after the air conditioning room finishes the refrigeration or heating operation is discharged along with the steam exhaust pipe through the steam generated by the fan, the generated heat energy is divided into two paths, one path of heat energy is discharged into the room along with the air supply pipeline for refrigeration or heating, the air return pipeline is connected with the air supply pipeline in parallel, and the other path of heat energy enters the air return pipeline and enters the primary air return device and the secondary air return device through the air return air quantity regulating three-way valve.
The working principle of the invention is as follows:
fresh air in the fresh air system can be subjected to humidity and temperature test analysis through a fresh air humidity tester and a fresh air temperature tester, and the air quantity is adjusted through an air quantity adjusting valve of a fresh air window and enters the fresh air window through a fresh air pipeline; after the dust removal operation is carried out on the dust removal unit, the temperature and humidity of the heat energy after dust removal is tested and analyzed through a dust removal heat energy temperature tester and a dust removal heat energy humidity tester, and the heat energy and air quantity regulating valve is regulated through a dust removal wind energy pipeline to enter a dust removal heat energy air return window; the fresh air window and the dust removal heat energy air return window enter a mixing preheating chamber, the fresh air energy is preheated by heat energy in the dust removal heat energy air return window and a preheating fan, cotton wool and dust particles with larger particles in the fresh air system are removed through a primary filtering system after preheating, and fine particles which are not completely filtered in the fresh air system are removed through a secondary filtering system; the water in the spray chamber passes through the spray chamber, the temperature of the water tank is tested by a water tank temperature measuring instrument, the water enters the spray chamber through an air conditioner water inlet pipeline by a water pump to adjust a water quantity adjusting valve so as to be subjected to refrigeration or heating treatment, and then the generated wind energy is sent to the room along with the air supply pipeline along with the wind return pipeline to carry out heat energy recovery again.
Advantageous effects
(1) In the spinning process, the dust removal process of the front spinning part is more, the air volume generated by dust removal is larger, the heat energy generated by the air volume generated by dust removal is collected, and the fresh air system is pretreated, so that the energy required by the system for processing fresh air can be reduced, the load of an air conditioning unit is effectively reduced, and the purpose of heat energy recovery is achieved.
(2) The invention designs the air exhaust pipe which is generated by dust removal to be close to the air-conditioning chamber, so that the return air can conveniently enter the air-conditioning chamber in the shortest distance, the loss of a heat source is reduced, and the aim of effectively utilizing heat energy is fulfilled.
(3) The invention carries out the pretreatment of dust removal on fresh air, because the cotton wool dust is more near a textile factory, the cotton wool and dust particles with larger particles in a fresh air system are removed by adopting a primary filter, then the fine particles which are not completely filtered by the primary filter in the fresh air are removed by adopting a secondary filter, the dust at a fresh air inlet can be reduced by the dust removal treatment of the two-stage filter, the problem that the service life of the air conditioner is influenced because the cotton wool dust particles of the air conditioner enter the air conditioner is avoided, meanwhile, the air quality at the air outlet of the air conditioner can be improved, the indoor cotton wool dust particles are prevented from exceeding the standard, and the aim of purifying.
(4) The secondary air return system is adopted in the design of the air return system, and compared with the primary air return system, the secondary air return system can improve the utilization rate of wind energy, reduce the energy loss of the air conditioner in the refrigeration or heating process, effectively reduce the running load of the air conditioner by adopting cold and heat energy circulation, save the running cost, recycle the heat of the air conditioner exhaust and reduce the energy consumption.
Drawings
FIG. 1 is a schematic illustration of the heat energy recovery of the present invention;
FIG. 2 is a schematic view of the flow of heat energy recovered from dust removal according to the present invention;
fig. 3 is a schematic view showing the flow of secondary return air heat energy in the present invention.
In the figure: 1. a dust removal unit; 2. a dust removal heat energy temperature tester; 3. a dust removal heat energy humidity tester; 4. a dedusting heat energy air volume adjusting valve; 5. a dust removal wind energy pipeline; 6. a pool temperature measuring instrument; 7. a pool; 8. a water pump; 9. a water quantity regulating valve; 10. an air conditioner water inlet pipeline; 11. a steam exhaust pipe; 12. a fresh air humidity tester; 13. a fresh air temperature tester; 14. a fresh air duct; 15. a fresh air window air volume adjusting valve; 16. a fresh air window; 17. a primary return air volume adjusting valve; 18. a primary return air duct; 19. a primary air return window; 20. a dust removal heat energy air return window; 21. a primary filtration system; 22. a secondary filtration system; 23. an air conditioning room; 24. a spray chamber; 25. a secondary return air volume adjusting valve; 26. a secondary return air duct; 27. a secondary air return window; 28. a fan; 29. an air supply duct; 30. a return air duct; 31. a return air volume adjusting three-way valve; 32. a mixing preheating chamber; 33. preheating a fan; 34. a primary surface cooling chamber; 35. and a secondary surface cooling chamber.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Example 1
A heat energy recovery system comprises a fresh air system, an air return system, a dedusting heat energy recovery system, a filtering system and an air conditioning system; the five systems are communicated with each other through an air volume adjusting valve and a passage, wind energy is mixed and preheated by the fresh air system and the dedusting heat energy recovery system through adjusting the air volume of the fresh air system, the air volume of the return air system and the air volume of the dedusting heat energy recovery system, the wind energy enters the filtering system for filtering, and is mixed with the wind energy of the return air system after being filtered and enters the air conditioning system, the air conditioning system is divided into two paths after completing refrigeration or heating, one path is sent to the return air system, and the other path is sent to.
Further, the new trend system includes new trend humidity tester 12, new trend temperature tester 13 and new trend window air regulation valve 15, and the new trend system carries out humidity and temperature test analysis through new trend humidity tester 12, new trend temperature tester 13, adjusts the air quantity through adjusting new trend window air regulation valve 15 and gets into new trend window 16 through new trend pipeline 14.
Further, the air return system comprises a primary air return device and a secondary air return device.
Further, the primary air return device in the air return system comprises an air return pipeline 30, a primary air return air quantity regulating valve 17, a primary air return pipeline 18 and a primary air return window 19, wherein the air return pipeline 30 is connected with the primary air return pipeline 18 through an air return quantity regulating three-way valve 31, the primary air return pipeline 18 is connected with the primary air return window 19 through the primary air return air quantity regulating valve 17, and the primary air return heat energy is regulated through regulating the primary air return air quantity regulating valve 17 so that the heat energy enters the primary air return window 19 through the primary air return pipeline 18.
Further, secondary return air device includes secondary return air quantity regulating valve 25, secondary return air pipeline 26, secondary return air window 27 among the return air system, and return air pipeline 30 passes through return air quantity regulating three-way valve 31 and is connected with secondary return air pipeline 26, and secondary return air pipeline 26 passes through secondary return air quantity regulating valve 25 with secondary return air window 27 and is connected, adjusts secondary return air heat energy through adjusting secondary return air quantity regulating valve 25 and makes heat energy get into secondary return air window 27 through secondary return air pipeline 26.
Further, the dust removal heat energy recovery system comprises a dust removal unit 1, a dust removal heat energy temperature tester 2, a dust removal heat energy humidity tester 3 and a dust removal heat energy air quantity regulating valve 4; after the dedusting operation is performed on the dedusting heat energy recovery system through the dedusting unit 1, the temperature and humidity test analysis is performed on the dedusted heat energy through the dedusting heat energy temperature tester 2 and the dedusting heat energy humidity tester 3, and the dedusting heat energy air quantity regulating valve 4 is regulated through the dedusting air energy pipeline 5 to enter the dedusting heat energy air return window 20.
Furthermore, the fresh air window 16 and the dust removal heat energy return air window 20 are connected with a mixing preheating chamber 32, the mixing preheating chamber is provided with a preheating fan 33, a large amount of heat energy can be generated after the dust removal operation of the dust removal unit, the heat energy after dust removal is mixed with the fresh air system, and then preheating treatment is performed in the mixing preheating chamber, so that the electric energy loss of the preheating fan can be effectively reduced by utilizing the heat energy generated after dust removal, and the preheating time is saved.
Further, the filtering system comprises a primary filtering system 21 and a secondary filtering system 22, the primary filtering system 21 and the secondary filtering system 22 are connected to the outlet of the mixing preheating chamber 32, and the primary filtering system 21 and the secondary filtering system 22 are connected in series.
Further, the primary filtering system 21 is made of gauze and is used for performing primary filtering treatment on the cotton hulls, dust and sand impurities remained on the gauze through the primary filtering system after passing through the fresh air window 16, the primary air return window 19 and the dust removal heat energy air return window 20; the secondary filtering system 22 is a bag filter or a dry electrostatic filter using non-woven fabric as a filtering material, and is used for performing secondary filtering treatment on the impurities which are not completely filtered after the filtering treatment of the primary filtering system.
Further, the heat energy generated after the air-conditioning room 23 completes the cooling or heating operation is discharged along with the exhaust pipe 11 through the steam generated by the fan 28, the generated heat energy is divided into two paths, one path of heat energy is discharged into the room along with the air supply pipeline 29 for cooling or heating, the air return pipeline 30 is connected with the air supply pipeline 29 in parallel, and the other path of heat energy enters the air return pipeline 30 and enters the primary air return device and the secondary air return device through the air return air quantity adjusting three-way valve 31.
Example 2
FIG. 2 is a schematic view of the flow direction of heat energy recovered from dust removal heat energy, wherein fresh air in the fresh air system in FIG. 2 is subjected to humidity and temperature test analysis by a fresh air humidity tester 12 and a fresh air temperature tester 13, and enters a fresh air window 16 through a fresh air pipeline 14 by adjusting the air volume of a fresh air window air volume adjusting valve 15; after the dust removing operation is carried out on the dust removing unit 1, the temperature and humidity of the heat energy after dust removal is tested and analyzed through the dust removing heat energy temperature tester 2 and the dust removing heat energy humidity tester 3, and the dust removing heat energy air quantity regulating valve 4 is regulated through the dust removing air energy pipeline 5 to enter the dust removing heat energy air return window 20; the heat energy of the fresh air window 16 and the dust removal heat energy air return window 20 enters the mixing preheating chamber 32, the heat energy in the dust removal heat energy air return window and the preheating fan 33 preheat fresh air energy, cotton wool and dust particles with larger particles in the fresh air system are removed through the primary filtering system 21 after preheating treatment, and fine particles which are not completely filtered in the fresh air system are removed through the secondary filtering system 22.
Fig. 3 is a schematic diagram of the flow direction of secondary return air heat energy in the present invention, in fig. 3, after mixing fresh air and dust removal heat energy, secondary filtration is performed, the mixture is mixed with primary return air heat energy in a return air system, the mixture enters a primary surface cooling chamber 34 for heat and humidity exchange, cooling and dehumidification are performed, the mixture is processed by the primary surface cooling chamber 34, then the mixture is mixed with secondary return air heat energy, the mixture enters a secondary surface cooling chamber 35 for heat and humidity exchange, cooling and dehumidification are performed, the mixture enters an air conditioning chamber 23 and passes through a spray chamber 24, water in the spray chamber passes through a water tank temperature measuring instrument 6, the temperature of a water tank 7 is tested, a water quantity regulating valve 9 is adjusted by a water pump 8, water enters the spray chamber 24 through an air conditioning water inlet pipeline 10 for cooling or heating, then one path of generated wind energy is sent to the indoor along with.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. A heat energy recovery system, characterized by: the system comprises a fresh air system, an air return system, a dedusting heat energy recovery system, a filtering system and an air conditioning system; the five systems are communicated with each other through an air volume regulating valve and a passage, air volume of a fresh air system, air volume of an air return system and air volume of a dust removal heat energy recovery system are regulated, air enters a filtering system for filtering after being mixed and preheated by the fresh air system and the dust removal heat energy recovery system, the filtered air is mixed with the air of the air return system and enters an air conditioning system, the air conditioning system is divided into two paths after refrigeration or heating is finished, one path is sent to the air return system, and the other path is sent to the indoor space to finish refrigeration;
the air return system comprises a primary air return device and a secondary air return device;
the primary air return device comprises an air return pipeline (30), a primary air return air quantity regulating valve (17), a primary air return pipeline (18) and a primary air return window (19), wherein the air return pipeline (30) is connected with the primary air return pipeline (18) through an air return quantity regulating three-way valve (31), the primary air return pipeline (18) is connected with the primary air return window (19) through the primary air return air quantity regulating valve (17), and primary air return heat energy is regulated through regulating the primary air return air quantity regulating valve (17) so that heat energy enters the primary air return window (19) through the primary air return pipeline (18);
the secondary air return device comprises a secondary air return air quantity regulating valve (25), a secondary air return pipeline (26) and a secondary air return window (27), the air return pipeline (30) is connected with the secondary air return pipeline (26) through a return air quantity regulating three-way valve (31), the secondary air return pipeline (26) is connected with the secondary air return window (27) through the secondary air return air quantity regulating valve (25), and the secondary air return heat energy is regulated through regulating the secondary air return air quantity regulating valve (25) so that the heat energy enters the secondary air return window (27) through the secondary air return pipeline (26);
the fresh air system comprises a fresh air humidity tester (12), a fresh air temperature tester (13) and a fresh air window air volume adjusting valve (15), the fresh air system carries out humidity and temperature test analysis through the fresh air humidity tester (12) and the fresh air temperature tester (13), and air volume is adjusted through adjusting the fresh air window air volume adjusting valve (15) and enters a fresh air window (16) through a fresh air pipeline (14);
the fresh air window (16) and the dust removal heat energy air return window (20) are connected with a mixing preheating chamber (32), and the mixing preheating chamber is provided with a preheating fan (33);
the filtering system comprises a primary filtering system (21) and a secondary filtering system (22), the primary filtering system (21) and the secondary filtering system (22) are connected to the outlet of the mixing preheating chamber (32), and the primary filtering system (21) and the secondary filtering system (22) are connected in series;
the heat energy generated after the air-conditioning room (23) in the air-conditioning system finishes the refrigeration or heating operation is discharged along with the steam exhaust pipe (11) through the steam generated by the fan (28), the generated heat energy is divided into two paths, one path of heat energy is discharged into the room along with the air supply pipeline (29) for refrigeration or heating, the air return pipeline (30) is connected with the air supply pipeline (29) in parallel, and the other path of heat energy enters the air return pipeline (30) and enters the primary air return device and the secondary air return device through the air return air volume adjusting three-way valve (31).
2. A thermal energy recovery system according to claim 1, wherein: the dust removal heat energy recovery system comprises a dust removal unit (1), a dust removal heat energy temperature tester (2), a dust removal heat energy humidity tester (3) and a dust removal heat energy air quantity regulating valve (4); after the dedusting operation is carried out on the dedusting heat energy recovery system through the dedusting unit (1), the temperature and humidity test analysis is carried out on the dedusted heat energy through the dedusting heat energy temperature tester (2) and the dedusting heat energy humidity tester (3), and the dedusting heat energy air quantity regulating valve (4) is regulated through the dedusting wind energy pipeline (5) to enter the dedusting heat energy air return window (20).
3. A thermal energy recovery system according to claim 1, wherein: the primary filtering system (21) is made of gauze and is used for performing primary filtering treatment on the cotton hulls, dust and sandy soil impurities which are remained on the gauze through the primary filtering system after passing through the fresh air window (16), the primary air return window (19) and the dust removal heat energy air return window (20); the secondary filtering system (22) is a bag filter or a dry electrostatic filter which takes non-woven fabrics as filtering materials and is used for carrying out secondary filtering treatment on the impurities which are not completely filtered after the filtering treatment of the primary filtering system.
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| CN201910626277.8A CN110345618B (en) | 2019-07-11 | 2019-07-11 | Heat energy recovery system |
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| CN201910626277.8A CN110345618B (en) | 2019-07-11 | 2019-07-11 | Heat energy recovery system |
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